Finding the Fourth Proportional to 238,071.80, 328,523.01 and 130,648.72

Step by Step Solution

1. Step 1: Write the proportion equation
   238,071.80 : 328,523.01 = 130,648.72 : x
2. Step 2: Convert to fraction form
   238,071.80/328,523.01 = 130,648.72/x
3. Step 3: Cross multiply
   238,071.80x = 328,523.01 × 130,648.72
4. Step 4: Simplify right side
   238,071.80x = 42,921,110,747.05
5. Step 5: Solve for x
   x = 42,921,110,747.05/238,071.80
6. Step 6: Final answer
   x = 180,286.41